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Rh involving accurate vivacity of thought only in temperate ones; while peculiar imaginative actions are produced by extremes of heat and cold, and of light and darkness. The production of great art is limited to climates warm enough to admit of repose in the open air, and cool enough to render such repose delightful. Minor variations in modes of skill distinguish every locality. The labour which at any place is easiest, is in that place cheapest; and it becomes often desirable that products raised in one country should be wrought in another. Hence have arisen discussions on "International values" which will be one day remembered as highly curious exercises of the human mind. For it will be discovered, in due course of tide and time, that international value is regulated just as inter-provincial or inter-parishional value is. Coals and hops are exchanged between Northumberland and Kent on absolutely the same principles as iron and wine between Lancashire and Spain. The greater breadth of an arm of the sea increases the cost, but does not modify the principle of exchange; and a bargain written in two languages will have no other economical results